Finding the Fourth Proportional to 18,845,187.84, 28,272,326.19 and 6,547,361.26
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Solution
The fourth proportional to 18,845,187.84, 28,272,326.19 and 6,547,361.26 is: 9,822,620.76
Step by Step Solution
- Step 1: Write the proportion equation
18,845,187.84 : 28,272,326.19 = 6,547,361.26 : x - Step 2: Convert to fraction form
18,845,187.84/28,272,326.19 = 6,547,361.26/x - Step 3: Cross multiply
18,845,187.84x = 28,272,326.19 × 6,547,361.26 - Step 4: Simplify right side
18,845,187.84x = 185,109,133,226,489.41 - Step 5: Solve for x
x = 185,109,133,226,489.41/18,845,187.84 - Step 6: Final answer
x = 9,822,620.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.